Solar is the best renewable energy for South Africa

JOHANNESBURG / ROTTERDAM – Of all renewable energy sources, solar has the biggest potential in South Africa. That is because the host of the COP17 climate change conference in Durban has one of the highest and the most stable solar radiations in the world.

“The variable is around 3%. That means that on a good day, solar radiation in South Africa is 100% and 97% on bad days. These conditions are extraordinary,” says Dick Berlijn, managing director of Pretoria-based solar electricity development firm Subsolar Energy.

It is furthermore estimated that South Africa has over 2500 hours of sunshine annually – which comes down to one third of a year (four months including nightly hours).

“In that respect, the sun is more predictable and reliable than wind energy, and therefore more economically viable,” Berlijn adds. “When there is no wind, no electricity can be generated.  When it storms wind turbines need to be shut down. Wind is in addition less predictable. On the other hand, the number of solar hours remains constant through the years.”

“Last but not least, the Rainbow Nation has ample space to build photovoltaic power (PV) plants, which convert sunlight into electricity using the Photoelectric effect,” adds Edwin Koot, CEO of SolarPlaza.

This is an international platform for solar energy stakeholders. The company is renown for its solar energy conferences, of which it has organised over 30. The latest one is taking place in Johannesburg next year January.

“In the north of South Africa, there are hundreds of square kilometres of unutilized land which are perfect for PV,” Koot notes.

Research has shown that one hectare of PV can generate 1 MW.

“Therefore, here is no doubt that solar energy will become a competitive energy source within the next 10 years in South Africa,” he continues. “We see South Africa as Africa’s solar leader.”

The need for alternative sources of energy in South Africa is vital, and not only to meet the growing electricity demand. According to the International Energy Agency (IEA), South Africa pumped 369,4 million tons of CO2 into the atmosphere in 2009. This makes the Rainbow Nation the 16th biggest CO2 emitter.

This is largely due to the fact that over 90% of South Africa’s electricity is generated from coal. Figures by the IEA show that our country consumed 194 million short tons of coal in 2008 (91% of all the coal consumed on the entire African continent in that same year).

South Africa’s solar energy potential will be among the topics during SolarPlaza’s Solar Future South Africa conference in Johannesburg. The event will take place in the Sandton Convention Centre on 25 January 2012.

The one-day conference will address issues like the link between solar and job creation, the practicalities around the development of PV projects, Feed-in Tariffs, the business opportunities attached to solar energy projects, financing PV projects, and what solar energy could mean for the South African electricity demand and its economy.

Speakers include Karen Breytenbach (Senior Project Advisor within National Treasury’s Public Private Partnership Unit), Omar Vajeth (Head of the Power and Energy division at ABSA Capital), Velaphi Msimang (Chief Director of the Hydrogen and Energy sub-programme at the Department of Science and Technology), and Ayanda Nakedi (Senior General Manager at Eskom Renewables).

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  1. Insight Group PLC says:

    Renewable energy to grow by 53%

    By 2035 China and India’s energy use is expected to double and the world’s energy consumption is expected to grow 53 percent, according to the International Energy Outlook 2011 (IEO2011).

    The good news is that renewable energy will be the fastest-growing energy source over the same period.

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